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Fri, 2 Feb 2024 13:21:53 -0500 (EST) From: Jiaxun Yang Date: Fri, 02 Feb 2024 18:21:40 +0000 Subject: [PATCH 1/8] MIPS: Probe toolchain support of -msym32 Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240202-llvm-msym32-v1-1-52f0631057d6@flygoat.com> References: <20240202-llvm-msym32-v1-0-52f0631057d6@flygoat.com> In-Reply-To: <20240202-llvm-msym32-v1-0-52f0631057d6@flygoat.com> To: Thomas Bogendoerfer , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, Jiaxun Yang X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=753; i=jiaxun.yang@flygoat.com; h=from:subject:message-id; bh=G7pEwmE2rBW0Y6l+YNkudDnlODmTUfzEzQVNoJ8fF9c=; b=owGbwMvMwCXmXMhTe71c8zDjabUkhtS9RrsNmDc1yE7SXiVesZxhCmt20av+NeUXthrxHjZcN /+9vqpFRwkLgxgXg6yYIkuIgFLfhsaLC64/yPoDM4eVCWQIAxenAEyE8ycjw3O32RMmsbVfTb5w YmXt838fOa5zb1xxRdlUfKW72wHnLfMZflxrcFzIkqgYr8a0PvDEvDWyu2zzfyg8Fbp3WnJtN58 nHwA= X-Developer-Key: i=jiaxun.yang@flygoat.com; a=openpgp; fpr=980379BEFEBFBF477EA04EF9C111949073FC0F67 msym32 is not supported by LLVM toolchain. Workaround by probe toolchain support of msym32 for KBUILD_SYM32 feature. Link: https://github.com/ClangBuiltLinux/linux/issues/1544 Signed-off-by: Jiaxun Yang --- arch/mips/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index f49807e1f19b..0888074f4dfe 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -299,7 +299,7 @@ drivers-$(CONFIG_PCI) += arch/mips/pci/ ifdef CONFIG_64BIT ifndef KBUILD_SYM32 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0) - KBUILD_SYM32 = y + KBUILD_SYM32 = $(call cc-option-yn, -msym32) endif endif